A flexible fiber-optic instrument used to view an object or area, such as a body cavity, that would otherwise be inaccessible. 纖維鏡利用光學(xué)纖維制成的一種韌性?xún)x器,用于對一些用其它方法無(wú)法接近的物體或區域(如體腔)進(jìn)行檢查
A large mass of people moving or acting as a body. 一大群作為一個(gè)整體運動(dòng)或行動(dòng)的一大群人